feat: support i18n

app/locales/index.ts

@@ -0,0 +1,30 @@
+import CN from './cn'
+import EN from './en'
+
+export type { LocaleType } from './cn'
+
+type Lang = 'en' | 'cn'
+
+const LANG_KEY = 'lang'
+export function getLang(): Lang {
+    const savedLang = localStorage?.getItem(LANG_KEY)
+
+    if (['en', 'cn'].includes(savedLang ?? '')) {
+        return savedLang as Lang
+    }
+
+    const lang = navigator.language.toLowerCase()
+
+    if (lang.includes('zh') || lang.includes('cn')) {
+        return 'cn'
+    } else {
+        return 'en'
+    }
+}
+
+export function changeLang(lang: Lang) {
+    localStorage.setItem(LANG_KEY, lang)
+    location.reload()
+}
+
+export default { en: EN, cn: CN }[getLang()]